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Chemical Bonding and Molecular Structure PYQs (previous year questions) for JEE Advanced: Chemical Bonding and Molecular Structure (Chemistry) had 29 questions across the 22 official JEE Advanced papers we tagged (2016–2026), and appeared in 17 of them. Asked in 11 of 11 years. The concepts asked in the most papers: Solid State, VSEPR Theory, Dipole Moment.
Year-wise question count
Asked in 11 of 11 years, with 2 papers each year.
Most-asked concepts
Sorted by the number of papers a concept appeared in.
| Concept | Questions | Papers | Years |
|---|---|---|---|
| Solid State | 6 | 6 | 2025, 2021, 2020, 2018, 2017, 2016 |
| VSEPR Theory | 5 | 5 | 2026, 2024, 2017, 2016 |
| Dipole Moment | 3 | 3 | 2026, 2020, 2019 |
| Molecular Orbital Theory | 3 | 3 | 2025, 2017, 2016 |
| Molecular Orbitals | 3 | 3 | 2023, 2022 |
| Bond Angles | 1 | 1 | 2026 |
| Covalent Bond Energy | 1 | 1 | 2020 |
| Covalent Bonding | 1 | 1 | 2019 |
| Crystal Defects | 1 | 1 | 2024 |
| Hybridisation | 1 | 1 | 2023 |
| Intermolecular Forces | 1 | 1 | 2025 |
| Octet Rule | 1 | 1 | 2024 |
| Packing Efficiency | 1 | 1 | 2022 |
| Unit Cells | 1 | 1 | 2023 |
How to practise Chemical Bonding and Molecular Structure PYQs
- Start with the concepts at the top of the table. They have come back the most.
- Solve one year’s Chemical Bonding and Molecular Structure questions from the official PDF against the clock, then check the answer listed below.
- Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
- Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.
Questions by year
Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.
JEE Advanced2026
- Q.3 (Paper 1) · MCQ · Dipole Moment: Order of dipole moments of BF3, NH4+, NF3 and NH3 (official answer: A) PDF
- Q.14 (Paper 1) · Matching · VSEPR Theory: Match molecular shapes with the number of species having them (official answer: A) PDF
- Q.2 (Paper 2) · MCQ · Bond Angles: Order of ONO bond angles in nitrogen oxide species (official answer: B) PDF
JEE Advanced2025
- Q.5 (Paper 1) · MSQ · Molecular Orbital Theory: Incorrect statements on MO energy levels of homonuclear diatomics (official answer: B, C) PDF
- Q.5 (Paper 2) · MSQ · Intermolecular Forces: Correct statements on intermolecular interaction energies (official answer: C, D) PDF
- Q.9 (Paper 2) · Numerical · Solid State: Density of a ccp metal from its edge length (official answer: 10.85–11.1) PDF
JEE Advanced2024
- Q.7 (Paper 1) · MSQ · Octet Rule: Options with at least three molecules obeying the octet rule (official answer: A, D) PDF
- Q.15 (Paper 1) · Matching · VSEPR Theory: Match xenon compounds with geometry and lone pairs (official answer: B) PDF
- Q.2 (Paper 2) · MCQ · Crystal Defects: Value of X in a metal-deficient mixed oxide (official answer: D) PDF
- Q.12 (Paper 2) · Integer · VSEPR Theory: Count species with tetrahedral geometry (official answer: 4 or 5) PDF
JEE Advanced2023
- Q.1 (Paper 2) · MCQ · Molecular Orbitals: Correct molecular orbital diagram of F2 in ground state (official answer: C) PDF
- Q.6 (Paper 2) · MSQ · Unit Cells: Packing and density relations for fcc, bcc and simple cubic metals (official answer: A, B, D) PDF
- Q.9 (Paper 2) · Integer · Hybridisation: Count species with an sp3 hybridised central atom (official answer: 5) PDF
JEE Advanced2022
- Q.9 (Paper 1) · MSQ · Molecular Orbitals: Molecular orbitals formed by overlap of two 2pz orbitals (official answer: A, D or D) PDF
- Q.5 (Paper 2) · Integer · Molecular Orbitals: Antibonding electrons in a paramagnetic gas from AgNO3 decomposition (official answer: 6) PDF
- Q.15 (Paper 2) · MCQ · Packing Efficiency: Packing efficiency with fcc sites and alternate tetrahedral voids filled (official answer: B) PDF
JEE Advanced2021
- Q.3 (Paper 1) · MCQ · Solid State: Packing fraction of a close-packed ionic structure PDF
JEE Advanced2020
- Q.12 (Paper 1) · MSQ · Solid State: Statements on a cubic ionic unit cell: formula, coordination, packing PDF
- Q.2 (Paper 2) · Integer · Dipole Moment: Count of liquids deflected by a charged comb PDF
- Q.15 (Paper 2) · Numerical · Covalent Bond Energy: Net potential energy of H2 at equilibrium bond distance PDF
JEE Advanced2019
JEE Advanced2018
- Q.9 (Paper 1) · Numerical · Solid State: Anion to cation ratio in a modified NaCl unit cell PDF
JEE Advanced2017
- Q.26 (Paper 1) · Integer · Solid State: Number of atoms in an fcc crystal from density and edge length (official answer: 2) PDF
- Q.28 (Paper 1) · Integer · VSEPR Theory: Sum of lone pairs on central atoms of four species (official answer: 6) PDF
- Q.29 (Paper 1) · Integer · Molecular Orbital Theory: Count diamagnetic species among diatomic molecules and ions (official answer: Marks to all) PDF
JEE Advanced2016
- Q.27 (Paper 1) · MSQ · VSEPR Theory: Molecules with two lone pairs on the central atom (official answer: B, C) PDF
- Q.25 (Paper 2) · MSQ · Molecular Orbital Theory: Statements on diatomic species using MO theory (official answer: A, C) PDF
- Q.27 (Paper 2) · MSQ · Solid State: Properties of cubic close packed structure (official answer: B, C, D) PDF
Chemical Bonding and Molecular Structure in other exams
The same chapter in other official papers we tagged: JEE Main (13 questions), NEET (3 questions).
Other Chemistry chapters
- Some Basic Concepts in Chemistry PYQs
- Atomic Structure PYQs
- Chemical Thermodynamics PYQs
- Solutions PYQs
- Equilibrium PYQs
- Redox Reactions and Electrochemistry PYQs
- Chemical Kinetics PYQs
- Classification of Elements and Periodicity PYQs
- p-Block Elements PYQs
- d- and f-Block Elements PYQs
- Coordination Compounds PYQs
- Purification and Characterisation of Organic Compounds PYQs
- Some Basic Principles of Organic Chemistry PYQs
- Hydrocarbons PYQs
- Organic Compounds Containing Halogens PYQs
- Organic Compounds Containing Oxygen PYQs
- Organic Compounds Containing Nitrogen PYQs
- Biomolecules PYQs
- Principles Related to Practical Chemistry PYQs
FAQ
How many Chemical Bonding and Molecular Structure questions come in JEE Advanced?
In the official papers we tagged: 3 in 2026, 3 in 2025, 4 in 2024, 3 in 2023, 3 in 2022, 1 in 2021, 3 in 2020, 2 in 2019, 1 in 2018, 3 in 2017 and 3 in 2016 (2 papers each year). That is 29 questions in all, about 7% of Chemistry.
Which Chemical Bonding and Molecular Structure topics repeat in JEE Advanced?
Asked in the most papers: Solid State, VSEPR Theory, Dipole Moment. The concept table lists every one with its count.
Are these official JEE Advanced questions?
Yes. Every question is from an official JEE Advanced paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.